87990807 is an odd 8-digits composite number following 87990806
and preceding 87990808 . In scientific notation, it is written as 8.7990807 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 57788640 positive integers (up to 87990807) that are relatively prime to 87990807.
87990807 has 16 divisors, whose sum is 119078912
The reverse of 87990807 is 70809978
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
eighty-seven million nine hundred ninety thousand eight hundred seven
Scientific notation
8.7990807 × 10^7
Engineering notation
8.7990807 × 10^6
Prime Factorization
3 × 127 × 157 × 1471
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
87990807
Product of the distinct prime numbers
The prime factorization of 87990807 is 3 × 127 × 157 × 1471.
Since it has a total of 4 prime factors.
8 , 10 , 36 , 45 , 980 , 560 , 4901 , 1372 , 18324 , 26065 , 970544 , 771627 , 8243797 , 918133 , 9319723 , 9220612 , 905684478 , 517486138 , 9964665615 , 5958798405
n×2
175981614
n×3
263972421
n×4
351963228
n×5
439954035
n÷2
43995403.5
n÷3
29330269
n÷3
21997701.75
n÷5
17598161.4
n2
7742382116511249
n3
6.8125845053419E+23
n4
5.9944480838073E+31
n5
5.2745632441381E+39
2 √n
9380.3415183031
3 √n
444.78052890102
4 √n
96.852163209208
5 √n
38.804979662661
1 , 3 , 127 , 157 , 381 , 471 , 1471 , 4413 , 19939 , 59817 , 186817 , 230947 , 560451 , 692841 , 29330269 , 87990807
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87990806
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87990807 can be divided by 16 positive divisors.
The sum of these divisors (counting 87990807) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001111101010001000010111
3
Ternary
20010120101200210
4
Quaternary
11033222020113
5
Quinary
140011201212
6
Senary
12421540503
8
Octal
517521027
10
Decimal
87990807
12
Duodecimal
25574733
16
Hexadecimal
53ea217
20
Vigesimal
179ih07
36
Base36
1gdy53
md5
fae931f692890e4ac95fb49e1c244266
sha1
a1a3881cb885f7ccec6dfac4a69146245f46983c
sha256
0c822ad14dcdf02cd7d809c60bd438add79d4f445bdae9b7e7d6bbbe2b07df0a
sha512
e35aedbce4e1c05bb20cfa89fbfbddce1dda1cb2869e65d8208aea178b2fa6a8752e6079c987efb171b034a3a2ed652a4629d1c39e89f1f1ca9ab1f1222d85a3
ripemd-160
7ba0a537fd250a212c7bc4e3ee8bbc8543c6beab
Diameter
175981614
Circumference
552862545.70927
Area
2.4323410778517E+16
Volume
2.8536487245256E+24
Surface area
9.7293643114067E+16
Circumference
552862545.70927
Perimeter
351963228
Area
7742382116511249
Diagonal
124437792.62355
Surface area
46454292699067494
Volume
6.8125845053419E+23
Space diagonal
152404548.32299
Perimeter
263972421
Area
3.3525497993525E+15
Altitude
76202274.161494
Surface area
3.3525497993525E+15
Volume
8.0287078352228E+22
Height
41479264.207851